Only Rear Door LH Lock / Unlock Functions Do Not Operate

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Only Rear Door LH LOCK / UNLOCK Functions do not Operate

Only Rear Door LH LOCK / UNLOCK Functions do not Operate

DESCRIPTION

The main body ECU receives lock/unlock switch signals and activates the door lock motor accordingly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT REAR DOOR LOCK ASSEMBLY LH




(a) Apply the battery voltage to the door lock motor and check the operation of the door lock motor.
OK:






NG -- REPLACE REAR DOOR LOCK ASSEMBLY LH
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR LOCK ASSEMBLY LH)




(a) Disconnect the 4A main body ECU connector.
(b) Disconnect the I3 door lock connector.
(c) Measure the resistance.
Standard resistance:





(d) Reconnect the main body ECU connector.
(e) Reconnect the door lock connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU